Canon EOS 7D Mark II Wi-Fi Adapter Kit Manual

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The camera’s built-in flash can work as a master unit for Canon EX-
series, external Speedlites having a wireless slave feature. It can 
wirelessly trigger the Speedlite(s) to fire via optical transmission.
Be sure to read about wireless flash photography (optical transmission) 
in the Speedlite’s instruction manual.

Regarding your Speedlite (slave unit), refer to its instruction manual and 
set it as follows. The settings other than the ones below for the slave 
unit’s control are all set with the camera. Different types of slave units 
can be used and controlled together.
(1) Set the external Speedlite as a slave unit.
(2) Set the external Speedlite’s transmission channel to the same 

channel as set on the camera.*

1

(5) Face the slave unit’s wireless sensor toward the camera.*

2

Using Wireless FlashN

Example of Wireless Flash Set-up

Indoors

Outdoors

Approx. 10 m 
(32.8 ft.)

Approx. 7 m 
(23.0 ft.)

Approx. 80°

Approx. 5 m 
(16.4 ft.)

Approx. 7 m 
(23.0 ft.)